*{
  margin: 0;
  padding: 0;
}
.App{
  width: 100vw;
  height: 100vh;
}
.App .bigbox{
  width: 100vw;
  height: 25vh;
  background-color: #ffffff;
  box-shadow: 5px 5px 10px #b4b4b4;
}
.App img{
  width: 13.5vw;
  height: 12.5vh;
  margin-top: 3.5vh;
  margin-left: 7vw;
}
.App .routerbox{
  width: 17vw;
  height: 5vh;
  margin-top: 3vh;
  margin-left: 7vw;
  display: flex;
}
.App .homebox{
  display: inline-block;
  width: 11vw;
  height: 7vh;
  color: black;
  font-weight: bold;
  margin-left: 2vw;
  text-decoration: none;
  text-align: center;
  line-height: 7vh;
  border-bottom: 2px solid #800080;
}
.App .iptbox{
  margin-left: 48vw;
  margin-top: -10vh;
}
.App .ipt{
  width: 30vw;
  height: 7vh;
}
.App .btn{
  height: 7vh;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  margin-left: -2vw;
}







































/* 、#root {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
}

.logo {
  height: 6em;
  padding: 1.5em;
  will-change: filter;
  transition: filter 300ms;
}
.logo:hover {
  filter: drop-shadow(0 0 2em #646cffaa);
}
.logo.react:hover {
  filter: drop-shadow(0 0 2em #61dafbaa);
}

@keyframes logo-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: no-preference) {
  a:nth-of-type(2) .logo {
    animation: logo-spin infinite 20s linear;
  }
}

.card {
  padding: 2em;
}

.read-the-docs {
  color: #888;
} */
